In terms of features, LovelyCharts has pretty much all the basics covered, but you really need to try it out to get a feel of how rich the web-based app really is even with its relatively simple ...

ConceptDraw WebWave includes a color scheme generator, Web site file structure scanner and task-specific wizards that help you create the diagrams and drawings you’re looking for.

Gliffy Diagrams has been available on a limited basis in the Google App Store since June. Already thousands of users have installed and used the product, including top multi-national, Fortune 500 ...

GoJS, launched in 2012, is a feature-rich library for implementing interactive JavaScript diagrams across modern web browsers.